AirHint found the following cheapest one-way flights from Lisbon (LIS) to Vienna (VIE) in September 2026 (see full year).
One-Way flights
| 17 Sep | TAP | direct | |
| 18 Sep | Ryanair | ||
| 18 Sep | Ryanair | direct | |
| 25 Sep | Ryanair | direct | |
| 03 Sep | TAP | direct | |
| 19 Sep | Ryanair | ||
| 09 Sep | Ryanair | direct | |
| 10 Sep | Ryanair | direct | |
| 20 Sep | TAP | ||
| 06 Sep | Iberia |
Also check the deals for return flights from Lisbon to Vienna in September.
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